8th Grade Chemistry

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Across
  1. 4. substance that can't be separated into simpler substances
  2. 5. of the atom in a positively charged region
  3. 7. repeating pattern
  4. 8. conductors, dull
  5. 10. of an object or system
  6. 12. equation/description of a chemical reaction using chemical symbols and formulas
  7. 14. particle of matter and cannot be separated
Down
  1. 1. columns on the periodic table
  2. 2. conductors, malleable, ductile, and shiny
  3. 3. conductors, have properties of metals and nonmetals
  4. 4. charged particles in atoms
  5. 6. materials in a chemical reaction
  6. 7. substance in a chemical reaction
  7. 9. law/chemical and physical properties of elements are periodic functions of their atomic number
  8. 11. rows on the periodic table
  9. 13. electrons/outermost energy level in an atom